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    • 3. 发明授权
    • Fabrication method of nanocrystals using a focused-ion beam
    • 使用聚焦离子束的纳米晶体的制造方法
    • US06475886B2
    • 2002-11-05
    • US10025696
    • 2001-12-26
    • Eun Kyu KimYoung Ju ParkTae Whan KimSeung Oun KangDong Chul ChooJae Hwan Shim
    • Eun Kyu KimYoung Ju ParkTae Whan KimSeung Oun KangDong Chul ChooJae Hwan Shim
    • H01L21425
    • C23C14/5833B82Y10/00B82Y30/00C23C14/5873C30B13/24C30B29/605H01L21/265Y10S977/949
    • Disclosed is a method for forming a nano-crystal. In the above method, there is prepared a substrate having a metal film or a semiconductor film formed thereon. A focused-ion beam is irradiated onto a plurality of positions on a surface of the metal film or the semiconductor film, whereby the metal film or the semiconductor film is removed at a focal portion of the focused-ion beam but an atomic bond in the metal film or the semiconductor film is broken at an overlapping region of the focused-ion beams due to an radiation effect of the focused-ion beam to form the nano-crystal. The method allows a few nm or less-sized nano-crystals to be formed with ease and simplicity using the focused-ion beam. As a result, the formed nano-crystals come to have a binding energy capable of restraining thermal fluctuation phenomenon at room temperature and thereby it becomes possible to fabricate a tunneling transistor capable of being operated at room temperature. Further, the invention contributes largely to a development of next generation ultra high density memory device with a memory capacitance of tera byte level or more.
    • 公开了一种形成纳米晶体的方法。 在上述方法中,制备了在其上形成有金属膜或半导体膜的基板。 聚焦离子束照射在金属膜或半导体膜的表面上的多个位置上,由此在聚焦离子束的焦点部分除去金属膜或半导体膜,但是在 金属膜或半导体膜由于聚焦离子束的辐射效应而在聚焦离子束的重叠区域断裂,形成纳米晶体。 该方法允许使用聚焦离子束容易且简单地形成几nm或更小尺寸的纳米晶体。 结果,形成的纳米晶体具有能够在室温下抑制热波动现象的结合能,从而可以制造能够在室温下操作的隧道晶体管。 此外,本发明在很大程度上有助于开发具有tera字节级或更高级别的存储电容的下一代超高密度存储器件。
    • 4. 发明授权
    • Organic light emitting diode display and manufacturing method thereof
    • 有机发光二极管显示及其制造方法
    • US07897270B2
    • 2011-03-01
    • US11647880
    • 2006-12-29
    • Tae-Whan KimDong-Chul ChooChang-Uk Kim
    • Tae-Whan KimDong-Chul ChooChang-Uk Kim
    • H01L51/52H01L51/54
    • H01L51/5012Y10T428/24942
    • According to an embodiment of the present invention, an OLED display includes a substrate, a first electrode, a hole transport layer, a hole blocking layer, an emitting layer, and a second electrode. The first electrode is formed on the substrate. The hole transport layer is formed on the first electrode and includes a first material having a first highest occupied molecular orbital (HOMO) level and a first lowest unoccupied molecular orbital (LUMO) level. The hole blocking layer is formed on the hole transport layer and includes a second material having a second HOMO level and a second LUMO level. The emitting layer is formed on the hole blocking layer and includes a third material having a third HOMO level and a third LUMO level. The second electrode is formed on the emitting layer. Herein, the second HOMO level is higher than the first HOMO level and the third HOMO level.
    • 根据本发明的实施例,OLED显示器包括基板,第一电极,空穴传输层,空穴阻挡层,发光层和第二电极。 第一电极形成在基板上。 空穴传输层形成在第一电极上并且包括具有第一高占据分子轨道(HOMO)水平和第一最低未占分子轨道(LUMO)水平的第一材料。 空穴阻挡层形成在空穴传输层上,并且包括具有第二HOMO能级和第二LUMO能级的第二材料。 发光层形成在空穴阻挡层上,并且包括具有第三HOMO能级和第三LUMO能级的第三材料。 第二电极形成在发光层上。 这里,第二HOMO级别高于第一HOMO级别和第三HOMO级别。
    • 5. 发明授权
    • Organic light emitting device
    • 有机发光装置
    • US09525151B2
    • 2016-12-20
    • US14130090
    • 2012-06-15
    • Tae Whan KimHyun Sung BangDong Chul Choo
    • Tae Whan KimHyun Sung BangDong Chul Choo
    • H01L51/52H01L51/00H01L51/50B82Y10/00
    • H01L51/5203B82Y10/00H01L51/0048H01L51/502H01L51/5296
    • Provided is an organic light emitting device including a nano composite layer. The organic light emitting device adopts a nano composite layer including an insulator and light emitting nano-particles within a device, thereby simultaneously insulating a control electrode and changing the color of light emitted from a light emitting layer, thereby improving external quantum efficiency. Further, the amount of electron holes and electrons injected into the light emitting layer may be adjusted through a voltage applied to the control electrode so as to secure a stable current when the device is operated. In addition, when compared to a conventional light emitting device, the surface area of positive and negative electrodes may be reduced so as to reduce reflectance with respect to external light.
    • 提供了包括纳米复合层的有机发光器件。 有机发光器件在器件内采用包括绝缘体和发光纳米粒子的纳米复合层,从而同时绝缘控制电极并改变从发光层发射的光的颜色,从而提高外部量子效率。 此外,可以通过施加到控制电极的电压来调节注入到发光层中的电子空穴和电子的量,以便在器件操作时确保稳定的电流。 此外,当与传统的发光器件相比时,可以减小正极和负极的表面积,以减少相对于外部光的反射率。
    • 6. 发明申请
    • ORGANIC LIGHT EMITTING DEVICE
    • 有机发光装置
    • US20140231766A1
    • 2014-08-21
    • US14130090
    • 2012-06-15
    • Tae Whan KimHyun Sung BangDong Chul Choo
    • Tae Whan KimHyun Sung BangDong Chul Choo
    • H01L51/52
    • H01L51/5203B82Y10/00H01L51/0048H01L51/502H01L51/5296
    • Provided is an organic light emitting device including a nano composite layer. The organic light emitting device adopts a nano composite layer including an insulator and light emitting nano-particles within a device, thereby simultaneously insulating a control electrode and changing the color of light emitted from a light emitting layer, thereby improving external quantum efficiency. Further, the amount of electron holes and electrons injected into the light emitting layer may be adjusted through a voltage applied to the control electrode so as to secure a stable current when the device is operated. In addition, when compared to a conventional light emitting device, the surface area of positive and negative electrodes may be reduced so as to reduce reflectance with respect to external light.
    • 提供了包括纳米复合层的有机发光器件。 有机发光器件在器件内采用包括绝缘体和发光纳米粒子的纳米复合层,从而同时绝缘控制电极并改变从发光层发射的光的颜色,从而提高外部量子效率。 此外,可以通过施加到控制电极的电压来调节注入到发光层中的电子空穴和电子的量,以便在器件操作时确保稳定的电流。 此外,当与传统的发光器件相比时,可以减小正极和负极的表面积,以减少相对于外部光的反射率。
    • 8. 发明申请
    • Organic light emitting diode display and manufacturing method thereof
    • 有机发光二极管显示及其制造方法
    • US20080007170A1
    • 2008-01-10
    • US11647880
    • 2006-12-29
    • Tae-Whan KimDong-Chul ChooChang-Uk Kim
    • Tae-Whan KimDong-Chul ChooChang-Uk Kim
    • H01L51/52H01L51/54
    • H01L51/5012Y10T428/24942
    • According to an embodiment of the present invention, an OLED display includes a substrate, a first electrode, a hole transport layer, a hole blocking layer, an emitting layer, and a second electrode. The first electrode is formed on the substrate. The hole transport layer is formed on the first electrode and includes a first material having a first highest occupied molecular orbital (HOMO) level and a first lowest unoccupied molecular orbital (LUMO) level. The hole blocking layer is formed on the hole transport layer and includes a second material having a second HOMO level and a second LUMO level. The emitting layer is formed on the hole blocking layer and includes a third material having a third HOMO level and a third LUMO level. The second electrode is formed on the emitting layer. Herein, the second HOMO level is higher than the first HOMO level and the third HOMO level.
    • 根据本发明的实施例,OLED显示器包括基板,第一电极,空穴传输层,空穴阻挡层,发光层和第二电极。 第一电极形成在基板上。 空穴传输层形成在第一电极上并且包括具有第一高占据分子轨道(HOMO)水平和第一最低未占分子轨道(LUMO)水平的第一材料。 空穴阻挡层形成在空穴传输层上,并且包括具有第二HOMO能级和第二LUMO能级的第二材料。 发光层形成在空穴阻挡层上,并且包括具有第三HOMO能级和第三LUMO能级的第三材料。 第二电极形成在发光层上。 这里,第二HOMO级别高于第一HOMO级别和第三HOMO级别。